DeepSeekLaunchAI ModelsJuly 31, 2026

DeepSeek releases DeepSeek-V4-Flash model

DeepSeek-V4-Flash 0731 delivers 532 solves per $100 on DeepSWE, costing roughly one-sixth of GPT-5.6 Luna. A cascade strategy using the model first and escalating to Luna on failure solves 78.9% of tasks at a 37% lower cost than using Luna alone.

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